Wheel



FIG. 1 is a perspective view of a wheel, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a perspective view of a second embodiment of the wheel; and,

FIG. 4 is a front view of FIG. 3.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a wheel, as shown and described. 